PLATED COIN AND A METHOD OF PRODUCING THE SAME

摘要

The invention concerns procoss for the production of coins consisting mainly of chromium steel, the blanks for stamping consisting of a stainless steel core with an 0.2% proof strength of at least 200 N/mm2, plated on either side with non-ferrous metal, preferably consisting of 60% to 100% copper, whose 0.2% proof strength is a minimum of 40 N/mm2 below the 0.2% proof strengh of the core.